Users Guide

Multiple FRRP Rings............................................................................................................................................... 269
Important FRRP Points...........................................................................................................................................270
Important FRRP Concepts......................................................................................................................................271
Implementing FRRP.......................................................................................................................................................272
FRRP Configuration.......................................................................................................................................................272
Creating the FRRP Group.......................................................................................................................................272
Configuring the Control VLAN...............................................................................................................................273
Configuring and Adding the Member VLANs.......................................................................................................274
Setting the FRRP Timers........................................................................................................................................275
Clearing the FRRP Counters..................................................................................................................................275
Viewing the FRRP Configuration...........................................................................................................................275
Viewing the FRRP Information.............................................................................................................................. 275
Troubleshooting FRRP..................................................................................................................................................276
Configuration Checks..............................................................................................................................................276
Sample Configuration and Topology........................................................................................................................... 276
16 GARP VLAN Registration Protocol (GVRP)............................................................................................. 278
Important Points to Remember................................................................................................................................... 278
Configure GVRP............................................................................................................................................................ 279
Related Configuration Tasks.................................................................................................................................. 279
Enabling GVRP Globally................................................................................................................................................280
Enabling GVRP on a Layer 2 Interface....................................................................................................................... 280
Configure GVRP Registration......................................................................................................................................280
Configure a GARP Timer...............................................................................................................................................281
RPM Redundancy.......................................................................................................................................................... 281
17 High Availability (HA)............................................................................................................................... 283
Component Redundancy..............................................................................................................................................283
Automatic and Manual Stack Unit Failover..........................................................................................................283
Synchronization between Management and Standby Units..............................................................................284
Forcing a Stack Unit Failover.................................................................................................................................284
Disabling Auto-Reboot............................................................................................................................................285
Manually Synchronizing Management and Standby Units.................................................................................285
Pre-Configuring a Stack Unit Slot...............................................................................................................................285
Removing a Provisioned Logical Stack Unit...............................................................................................................286
Hitless Behavior............................................................................................................................................................. 286
Graceful Restart............................................................................................................................................................ 286
Software Resiliency.......................................................................................................................................................287
Software Component Health Monitoring............................................................................................................. 287
System Health Monitoring......................................................................................................................................287
Failure and Event Logging...................................................................................................................................... 287
Hot-Lock Behavior........................................................................................................................................................ 288
18 Internet Group Management Protocol (IGMP).........................................................................................289
IGMP Implementation Information.............................................................................................................................. 289
IGMP Protocol Overview............................................................................................................................................. 289
10
Contents